为查明骨钙素对睾丸激素的影响是否会影响老师的生育能力，该研究组将一组老鼠的骨钙素基因取出。

To find out if this effect on testosterone production might affect mice's fertility, the team knocked out the gene for osteocalcin in a group of the rodents.

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虽然研究只有一小把样本，但是这些发现意味着：穴居人和早期人类的睾丸激素比今天的男人烧得更旺。

Although the researchers only looked at a handful of specimens, the findings suggest that Neanderthals and early humans were more testosterone fuelled than modern men.

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研究者同时称，当有男性熟人在某女性面前炫耀财富时，男性会感到威胁，其睾丸激素将会激增。

The researchers also reported that when a man's status was threatened in the presence of a female by a display of wealth by a male acquaintance, his testosterone levels surged.

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Steroid hormones, on the other hand, molecules like testosterone and estrogen, progesterone, the sex steroids that determine sexual characteristics and are important for reproductive function are molecules that are all derived from a similar source.

另一方面,类固醇类激素,像睾丸激素,雌激素,黄体酮这样的分子,性激素决定了性征,它对生殖功能十分重要,这类分子有着相似的来源

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you're going to release hormones like testosterone and GH, which oxidizes fat for energy.

你就会分泌出像睾丸酮和生长激素那样的激素，把你的脂肪氧化成能量。

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